OpenTechnical

OT-2026-000100456

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000100456) never changes.

Identity and time

Publication numberOT-2026-000100456 · never reused
Internal UUID01a0aea3-66ef-76bc-8805-2b0780689dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100456
StatusPUBLIC

Content hashes

Canonical text951232e70f92f912329635268cb6ec2da78b34445c6d229a30af14967b789abe
Markdown897aaa5945190ed82a5c5df9c947482a04b260568cfb0929cde5d1bbf1e5521d
PDF
Publication paged7b69cfce14bcbcc1179c76c82557d06b64be581b184fa41cd6aad50c5632f15
Manifestea203dd0e2c9706a6f049de8e42b3d076d50cc33243dc6f28e5eea6e9607deba

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturew2NDnnZ3oy1+ar8z6+KHf7ckH3UDaS1xFrC0vTOSxZhEH4LZW8bNcozIugt4/JB8lfbRDWrB7zre97m/uCV0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:12.259728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100456
observed d7b69cfce14bcbcc1179c76c82557d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.243638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100456/manifest.json
observed ea203dd0e2c9706a6f049de8e42b3d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.221601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100456/publication.md
observed 897aaa5945190ed82a5c5df9c947482a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.205287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100456/publication.txt
observed 951232e70f92f912329635268cb6ec2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.